{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["vehicle", "organization", "plant"], "input": "which later became the International Molders and Foundry Workers Union of North America , which represented workers who specialized in building and repairing steam engines , mills , and other manufactured goods ."}
{"vehicle": [], "organization": ["International Molders and Foundry Workers Union of North America"], "plant": []}